Home / 378,426.24-566,997.06-228,351.21

Finding the Fourth Proportional to 378,426.24, 566,997.06 and 228,351.21

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Solution

The fourth proportional to 378,426.24, 566,997.06 and 228,351.21 is: 342,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,426.24 : 566,997.06 = 228,351.21 : x
  2. Step 2: Convert to fraction form
    378,426.24/566,997.06 = 228,351.21/x
  3. Step 3: Cross multiply
    378,426.24x = 566,997.06 × 228,351.21
  4. Step 4: Simplify right side
    378,426.24x = 129,474,464,717.44
  5. Step 5: Solve for x
    x = 129,474,464,717.44/378,426.24
  6. Step 6: Final answer
    x = 342,139.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.